not just from pollution. >> it's the amplification effect on climate change, the fact that they're emitting so much carbon dioxide. >> reporter: while the data from july is not yet in, the amount of carbon dioxide from fires last month is startling. >> in june alone these fires emitted 50 megatons into the atmosphere. this is the equivalent of sweden's total ot emissions. another black foot that lands on the snow and ice causing that ice to absorb sunlight that it would affect. allison chin char, cnn. meteorologist derek van dam joins us now. it's that domino effect that allison was talking about there in the piece that is really quite extraordinary at this point. >> yeah. it doesn't help that the planet is on the heels of the warmest june ever recorded. looks like july is going to be